<h2>题目编号 : 268</h2>
<div style="color:#666;font-size:80%;">11 December 2009</div><br />
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<p>It can be verified that there are 23 positive integers less than 1000 that are divisible by at least four distinct primes less than 100.</p>

<p>Find how many positive integers less than 10<img src="" style="display:none;" alt="^(" /><sup>16</sup><img src="" style="display:none;" alt=")" /> are divisible by at least four distinct primes less than 100.</p>


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